import java.io.IOException;
import java.io.PrintWriter;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import net.sf.json.JSONArray;


public class adminLogin extends HttpServlet {

	/**
	 * Constructor of the object.
	 */
	public adminLogin() {
		super();
	}

	/**
	 * Destruction of the servlet. <br>
	 */
	public void destroy() {
		super.destroy(); // Just puts "destroy" string in log
		// Put your code here
	}

	/**
	 * The doGet method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to get.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

		response.setContentType("text/html");
		PrintWriter out = response.getWriter();
		out.println("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">");
		out.println("<HTML>");
		out.println("  <HEAD><TITLE>A Servlet</TITLE></HEAD>");
		out.println("  <BODY>");
		out.print("    This is ");
		out.print(this.getClass());
		out.println(", using the GET method");
		out.println("  </BODY>");
		out.println("</HTML>");
		out.flush();
		out.close();
	}

	/**
	 * The doPost method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to post.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

		String email=request.getParameter("userName");
		String password=request.getParameter("password");
		String prompt="";
		String[] arr=new String[1];
				myjavabean loginDBO=new myjavabean();
				String message =loginDBO.login(email,password);
				loginDBO.close();
				if("3".equals(message)){
					request.getSession().setAttribute("adminEmail", email);
				}
				arr[0]=message;
				JSONArray jar=JSONArray.fromObject(arr);
				PrintWriter out = response.getWriter();
				out.print(jar);
				out.flush();
				out.close();
//				if("0".equals(message)||"2".equals(message)){
//					prompt="账号不存在 ";
//					
//				}else if("1".equals(message)){
//					prompt="密码错误 ";
//					
//				}else if("3".equals(message)){
//					request.getSession().setAttribute("adminEmail", email);
//					response.sendRedirect("page/index.jsp");
//				}else{
//					response.sendRedirect("page/login.jsp");
//				}	
	}

	/**
	 * Initialization of the servlet. <br>
	 *
	 * @throws ServletException if an error occurs
	 */
	public void init() throws ServletException {
		// Put your code here
	}

}
